---
layout: single
property_name: left
---

<section id="left" class="property">
  <header class="property-header">
    <nav class="property-links">
        <a class="property-collection" href="{{site.url}}/positioning/">
          In collection: <strong>positioning</strong>
        </a>
      <a class="property-links-direct" href="{{site.url}}/property/left/" data-property-name="left" data-tooltip="Single page for this property">Permalink</a>
      <a class="property-share" data-tooltip="Share on Twitter or Facebook" data-property-name="left">Share</a>
      <a target="_blank" href="https://developer.mozilla.org/en/docs/Web/CSS/left" data-tooltip="See on Mozilla Developer Network" rel="external">MDN</a>
    </nav>
    <h2 class="property-name">
      <a href="#left"><span>#</span>left</a>
    </h2>
    <div class="property-description">
      <p>Defines the position of the element according to its <strong>left</strong> edge.</p>

    </div>

  </header>

    <style type="text/css">.left { background: #310736;height: 200px;position: relative; }</style>


    <style type="text/css">.left p { color: #fff; }.left .natural { width: 200px; }.left .actual { animation-direction: alternate;animation-duration: 2s;animation-iteration-count: infinite;position: absolute;width: 200px; }</style>


    <section class="example">
      <header class="example-header">
        <p class="example-name">
            <code class="example-default" data-tooltip="This is the property's default value">default</code>


          <code class="example-value" data-tooltip="Click to copy" data-clipboard-text="left: auto;">left: auto;</code>
        </p>
        <div class="example-description">
          <p>The element will remain in its <strong>natural</strong> position.</p>

        </div>
      </header>

      <aside class="example-preview">
        <div class="example-browser"><i></i><i></i><i></i></div>
        <div class="example-output">
          <div class="example-output-div left " id="left-auto"><p>Parent container</p><div class="natural">Natural position</div><div class="actual">Actual position</div></div>
        </div>
      </aside>
          <style type="text/css">#left-auto{ left:auto;}</style>
        <style type="text/css">#left-auto .actual { animation-name: fadeIn;transform: translateY(-100%); }</style>
    </section>
    <section class="example">
      <header class="example-header">
        <p class="example-name">


          <code class="example-value" data-tooltip="Click to copy" data-clipboard-text="left: 80px;">left: 80px;</code>
        </p>
        <div class="example-description">
          <p>If the element is in position <strong>relative</strong>, the element will move <em>left</em> by the amount defined by the <strong>left</strong> value.</p>

        </div>
      </header>

      <aside class="example-preview">
        <div class="example-browser"><i></i><i></i><i></i></div>
        <div class="example-output">
          <div class="example-output-div left " id="left-80px"><p>Parent container</p><div class="natural">Natural position</div><div class="actual">Actual position</div></div>
        </div>
      </aside>
        <style type="text/css">#left-80px .actual { animation-name: fadeIn;left: 80px;position: relative;transform: translateY(-100%); }</style>
    </section>
    <section class="example">
      <header class="example-header">
        <p class="example-name">


          <code class="example-value" data-tooltip="Click to copy" data-clipboard-text="left: -20px;">left: -20px;</code>
        </p>
        <div class="example-description">
          <p>If the element is in position <strong>absolute</strong>, the element will position itself from the <em>left</em> of the first positioned <strong>ancestor</strong>.</p>

        </div>
      </header>

      <aside class="example-preview">
        <div class="example-browser"><i></i><i></i><i></i></div>
        <div class="example-output">
          <div class="example-output-div left " id="left--20px"><p>Parent container</p><div class="natural">Natural position</div><div class="actual">Actual position</div></div>
        </div>
      </aside>
        <style type="text/css">#left--20px .actual { animation-name: fadeIn;left: -20px;transform: translateY(-100%); }</style>
    </section>

</section>
